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Henry Draper Catalogue

astronomical star catalogue

en-GB/ˈhɛnɹɪ ˈdɹeɪpə ˈkætəlɒɡ/
en-US/ˈhɛnɹi ˈdɹeɪpɚ ˈkætəˌlɔɡ/

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astronomical catalogue